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April Weather in Salem, United States

Last updated: June 24, 2025

In April, the average temperature in Salem, United States hovers around 14°C (58°F). During this period, temperatures can range from a chilly -3°C (28°F) to a warm 31°C (89°F). Expect about 166 mm (6.5 in) of precipitation over 12 days, contributing to an average humidity of 80%. Whether you’re exploring the vibrant streets or enjoying the local scenery, be prepared for a mix of weather conditions!

April Temperature in Salem

In April in Salem, the average temperature is 14°C (58°F). Maximums can reach 31°C (89°F), while minimums can drop as low as -3°C (28°F). This wide temperature range makes it essential to pack for both warm and cool conditions when traveling.

April Weather in Salem: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salem, April typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (89°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec384152586877817874614844
Data source: Temperature data for Salem generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Salem

In Salem in April, the precipitation amount is 166 mm (6.5 in) distributed over a span of 12 days.

April Precipitation Trends in Salem

The chart displays monthly precipitation patterns in Salem, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Salem, April typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec831151441661748382108761108189
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Salem

In Salem in April humidity is 80%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities sweltering and uncomfortable for travel.

April Average Humidity in Salem

This chart illustrates the average monthly humidity levels in Salem, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Salem is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Salem

In Salem in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Salem.

Maximum UV Index Levels in Salem for April

The chart shows the monthly maximum UV Index (UVI) for Salem in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Salem typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810101111109753
Data source: Salem April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Salem Compares to Other Months

Weather in Salem varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Salem, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Salem, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)83 mm (3.3 inches)83%moderate
February Weather5°C (42°F)115 mm (4.5 inches)81%high
March Weather11°C (52°F)144 mm (5.7 inches)80%very high
April Weather14°C (58°F)166 mm (6.5 inches)80%very high
May Weather20°C (68°F)174 mm (6.9 inches)83%very high
June Weather25°C (77°F)83 mm (3.3 inches)83%extreme
July Weather27°C (81°F)82 mm (3.2 inches)76%extreme
August Weather26°C (79°F)108 mm (4.2 inches)69%very high
September Weather23°C (75°F)76 mm (3.0 inches)68%very high
October Weather16°C (62°F)110 mm (4.3 inches)72%high
November Weather9°C (48°F)81 mm (3.2 inches)83%moderate
December Weather6°C (44°F)89 mm (3.5 inches)86%moderate

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